Okla. Admin. Code § 310:257-9-37
A hose used for conveying potable water that is to be used for culinary purposes shall be:
Added at 23 Ok Reg 2358, eff 6-25-06
Amended at 28 Ok Reg 2289, eff 11-1-11
Amended at 33 Ok Reg 1520, eff 9-11-16
Amended at 38 Ok Reg 1947, eff 9-11-21